nato officials say afghans now participate in 90% of military operations. >> that is cause for optimism says analyst michael o'hanlon of the brookings institute. >> if you give them a gun and tell them where the enemy is and ask you them to maybe cover for each other as they move from rock to rock or building to building, they can do that kind of simple stuff because they are fighters. >> yet afghan forces remain vulnerable. last month they failed to stop a suicide bomber from killing 12 foreigners in kabul. 11 years after u.s. troops and allies topped the taliban, afghan forces are still unable to hold their own against the determined enemy. charlie d'agata, cbs news, afghanistan. >> jeff: we'll be back. >> jeff: the auses tree an skydiver felix baumgartner will attempt a record high jump leaping from 23 miles up. he hopes breaking the speed of sound along the way. mark strassmann will be watching. >> reporter: felix baumgartner leap of faith back in july was the skydive from 96,000 feet, that's 18 miles above earth. his top speed in freefall, 536 miles per hour. >> felix has landed sa